Squashed 'third_party/ctemplate/' content from commit 6742f62
Change-Id: I828e4e4c906f13ba19944d78a8a78652b62949af
git-subtree-dir: third_party/ctemplate
git-subtree-split: 6742f6233db12f545e90baa8f34f5c29c4eb396a
diff --git a/src/base/fileutil.h b/src/base/fileutil.h
new file mode 100644
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--- /dev/null
+++ b/src/base/fileutil.h
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+// Copyright (c) 2011, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// ---
+// Author: csilvers@google.com (Craig Silverstein)
+//
+// A tiny wrapper around struct stat and FILE*.
+
+#ifndef TEMPLATE_OPENSOURCE_FILEUTIL_H_
+#define TEMPLATE_OPENSOURCE_FILEUTIL_H_
+
+#include <config.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <time.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+#include <string>
+
+namespace ctemplate {
+
+class FileStat {
+ public:
+ time_t mtime;
+ off_t length;
+ bool IsDirectory() { return S_ISDIR(internal_statbuf.st_mode); }
+
+ private:
+ friend class File;
+ struct stat internal_statbuf;
+};
+
+class File {
+ public:
+ static bool Stat(const std::string& filename, FileStat* statbuf) {
+ if (stat(filename.c_str(), &statbuf->internal_statbuf) != 0)
+ return false;
+ statbuf->mtime = statbuf->internal_statbuf.st_mtime;
+ statbuf->length = statbuf->internal_statbuf.st_size;
+ return true;
+ }
+
+ static bool Readable(const char* filename) {
+ return access(filename, R_OK) == 0;
+ }
+
+ static File* Open(const char* filename, const char* mode) {
+ char binary_mode[3];
+ const char* mode_to_use = mode;
+ if ((mode[0] == 'r' || mode[0] == 'w') && mode[1] == '\0') {
+ // We add a 'b' to make sure we do the right thing even on
+ // Windows. On unix, this will be a noop.
+ binary_mode[0] = mode[0];
+ binary_mode[1] = 'b';
+ binary_mode[2] = '\0';
+ mode_to_use = binary_mode;
+ }
+ FILE* fp = fopen(filename, mode_to_use);
+ if (!fp) return NULL;
+ return new File(fp);
+ }
+
+ size_t Read(char* buf, size_t size) {
+ return fread(buf, 1, size, fp_);
+ }
+
+ void Close() {
+ fclose(fp_);
+ delete this; // naughty naughty!
+ }
+
+ private:
+ explicit File(FILE* fp) : fp_(fp) { }
+ FILE* fp_;
+};
+
+}
+
+#endif // TEMPLATE_OPENSOURCE_FILEUTIL_H_